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package de.bjusystems.vdrmanager.gui;
import android.app.Activity;
import android.app.AlertDialog;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;
import android.widget.ViewFlipper;
import de.bjusystems.vdrmanager.R;
import de.bjusystems.vdrmanager.app.VdrManagerApp;
import de.bjusystems.vdrmanager.data.Channel;
import de.bjusystems.vdrmanager.utils.svdrp.SvdrpException;
public abstract class BaseActivity<T extends ListView> extends Activity
implements OnClickListener {
public static final int MENU_GROUP_REFRESH = 99;
public static final int MENU_REFRESH = 99;
protected T listView;
protected ViewFlipper flipper;
protected SvdrpProgressDialog progress;
abstract protected int getMainLayout();
public void svdrpException(final SvdrpException exception) {
// Log.w(TAG, exception);
alert(getString(R.string.vdr_error_text, exception.getMessage()));
}
protected void switchNoConnection() {
View view = findViewById(R.id.main_content);
if (view != null) {
view.setVisibility(View.GONE);
}
view = findViewById(R.id.no_connection_layout);
if (view != null) {
view.setVisibility(View.VISIBLE);
}
Button b = (Button) findViewById(R.id.retry_button);
b.setOnClickListener(this);
}
public void onClick(View v) {
if (v.getId() == R.id.retry_button) {
View view = findViewById(R.id.no_connection_layout);
if (view != null) {
view.setVisibility(View.GONE);
}
view = findViewById(R.id.main_content);
if (view != null) {
view.setVisibility(View.VISIBLE);
}
retry();
}
}
protected void updateWindowTitle(int topic, int subtopic) {
String title;
title = getString(topic);
if (subtopic != -1) {
title += " > " + getString(subtopic);
}
setTitle(title);
}
protected void updateWindowTitle(String topic, String subtopic) {
String title = topic;
if (subtopic != null) {
title += " > " + subtopic;
}
setTitle(title);
}
@Override
public boolean onCreateOptionsMenu(final Menu menu) {
MenuItem item;
item = menu.add(MENU_GROUP_REFRESH, MENU_REFRESH, 0, R.string.refresh);
item.setIcon(android.R.drawable.ic_menu_rotate);
item.setAlphabeticShortcut('r');
return true;
}
abstract protected void refresh();
abstract protected void retry();
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case MENU_REFRESH:
backupViewSelection();
refresh();
return true;
default:
return false;
}
}
protected void setAsCurrent(Channel channel) {
getApp().setCurrentChannel(channel);
}
protected VdrManagerApp getApp() {
final VdrManagerApp app = (VdrManagerApp) getApplication();
return app;
}
// protected Channel getCurrentChannel(){
// final Channel channel = ((VdrManagerApp) getApplication())
// .getCurrentChannel();
// return channel;
// }
protected void say(int res) {
Toast.makeText(this, res, Toast.LENGTH_SHORT).show();
}
protected void say(String msg) {
Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();
}
protected void alert(String msg) {
new AlertDialog.Builder(this)//
.setMessage(msg)//
.setPositiveButton(android.R.string.ok, null)//
.create()//
.show();//
}
protected void alert(int resId) {
alert(getString(resId));
}
protected void restoreViewSelection() {
listView.setSelectionFromTop(index, top);
}
protected void backupViewSelection() {
index = listView.getFirstVisiblePosition();
View v = listView.getChildAt(0);
top = (v == null) ? 0 : v.getTop();
}
int index;
int top;
}
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